FractionalPart Function
From GeoGebra Manual
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This page is about a feature that is supported only in GeoGebra 4.2. |
- fractionalPart[ <Expression> ]
- Returns the fractional part of the expression.
Example:
fractionalPart( 6 / 5 )yields \frac{1}{5},fractionalPart( 1/5 + 3/2 + 2 )yields \frac{7}{10}.
Note: In Mathematics fractional part function is sometimes defined as x-\lfloor x\rfloor , in other cases as sgn(x)(\mid x\mid-\lfloor \mid x\mid\rfloor . GeoGebra uses the second definition (also used by Mathematica). To obtain the first function you may use
f(x)=x-floor(x), see Predefined Functions and Operators.Comments
The following picture shows the two possible definitions of fractional part function, the lower one is used in GeoGebra.
